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<FONT color="green">001</FONT>    package org.hackystat.sensorbase.uricache;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import static org.junit.Assert.assertEquals;<a name="line.3"></a>
<FONT color="green">004</FONT>    import static org.junit.Assert.assertNotNull;<a name="line.4"></a>
<FONT color="green">005</FONT>    import static org.junit.Assert.fail;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    import java.io.File;<a name="line.7"></a>
<FONT color="green">008</FONT>    import java.io.IOException;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    import org.hackystat.utilities.uricache.UriCache;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.hackystat.utilities.uricache.UriCacheException;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.junit.After;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.junit.Before;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.junit.Test;<a name="line.14"></a>
<FONT color="green">015</FONT>    <a name="line.15"></a>
<FONT color="green">016</FONT>    /**<a name="line.16"></a>
<FONT color="green">017</FONT>     * Tests CacheManager functionality in the sense of the concurrent access for the cache data.<a name="line.17"></a>
<FONT color="green">018</FONT>     * <a name="line.18"></a>
<FONT color="green">019</FONT>     * @author Pavel Senin.<a name="line.19"></a>
<FONT color="green">020</FONT>     * <a name="line.20"></a>
<FONT color="green">021</FONT>     */<a name="line.21"></a>
<FONT color="green">022</FONT>    public class TestUriCacheManagerConcurrentCacheRequest {<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>      private static final String fileSeparator = System.getProperty("file.separator");<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>      /** Used for temporarily caches home */<a name="line.26"></a>
<FONT color="green">027</FONT>      private static final String tmpFolderName = String.valueOf(System.currentTimeMillis());<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>      /** The general storage place. */<a name="line.29"></a>
<FONT color="green">030</FONT>      private static final String cacheHome = System.getProperties().getProperty("user.dir")<a name="line.30"></a>
<FONT color="green">031</FONT>          + fileSeparator + "build" + fileSeparator + "uricache-tests" + fileSeparator + tmpFolderName;<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>      private static final String userEmail = "javadude@javatesthost.org";<a name="line.33"></a>
<FONT color="green">034</FONT>      private static final String sensorBaseHost = "http://sensorbase.javatesthost.org:20910";<a name="line.34"></a>
<FONT color="green">035</FONT>    <a name="line.35"></a>
<FONT color="green">036</FONT>      private static final String key = "key:";<a name="line.36"></a>
<FONT color="green">037</FONT>      private static final String data = "data:";<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>      /**<a name="line.39"></a>
<FONT color="green">040</FONT>       * Before each test we are setting up one cache instance, putting put some data in and shutting in<a name="line.40"></a>
<FONT color="green">041</FONT>       * down.<a name="line.41"></a>
<FONT color="green">042</FONT>       * <a name="line.42"></a>
<FONT color="green">043</FONT>       * @throws Exception if unable to proceed.<a name="line.43"></a>
<FONT color="green">044</FONT>       */<a name="line.44"></a>
<FONT color="green">045</FONT>      @Before<a name="line.45"></a>
<FONT color="green">046</FONT>      public void setUp() throws Exception {<a name="line.46"></a>
<FONT color="green">047</FONT>        // setting up first cache<a name="line.47"></a>
<FONT color="green">048</FONT>        File f = new File(cacheHome);<a name="line.48"></a>
<FONT color="green">049</FONT>        if (!f.exists()) {<a name="line.49"></a>
<FONT color="green">050</FONT>          f.mkdirs();<a name="line.50"></a>
<FONT color="green">051</FONT>        }<a name="line.51"></a>
<FONT color="green">052</FONT>        UriCache testCache = UriCacheManager.getCache(cacheHome, sensorBaseHost,<a name="line.52"></a>
<FONT color="green">053</FONT>            userEmail);<a name="line.53"></a>
<FONT color="green">054</FONT>        testCache.clear();<a name="line.54"></a>
<FONT color="green">055</FONT>        for (int i = 0; i &lt; 500; i++) {<a name="line.55"></a>
<FONT color="green">056</FONT>          testCache.cache(key + i, data + i);<a name="line.56"></a>
<FONT color="green">057</FONT>        }<a name="line.57"></a>
<FONT color="green">058</FONT>        testCache.shutdown();<a name="line.58"></a>
<FONT color="green">059</FONT>      }<a name="line.59"></a>
<FONT color="green">060</FONT>    <a name="line.60"></a>
<FONT color="green">061</FONT>      /**<a name="line.61"></a>
<FONT color="green">062</FONT>       * Now we are getting back the only instance of cache from the storage and trying to create<a name="line.62"></a>
<FONT color="green">063</FONT>       * another instance of the UriCache for the same user email and host.<a name="line.63"></a>
<FONT color="green">064</FONT>       * <a name="line.64"></a>
<FONT color="green">065</FONT>       * @throws UriCacheException in the case of error.<a name="line.65"></a>
<FONT color="green">066</FONT>       * @throws IOException if IO error occurs.<a name="line.66"></a>
<FONT color="green">067</FONT>       * @throws InterruptedException if unable to sleep in thread.<a name="line.67"></a>
<FONT color="green">068</FONT>       */<a name="line.68"></a>
<FONT color="green">069</FONT>      @Test<a name="line.69"></a>
<FONT color="green">070</FONT>      public void testSecondInstance() throws UriCacheException, IOException, InterruptedException {<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>        // get cache #1 at test it's functionality<a name="line.72"></a>
<FONT color="green">073</FONT>        UriCache cache1 = UriCacheManager<a name="line.73"></a>
<FONT color="green">074</FONT>            .getCache(cacheHome, sensorBaseHost, userEmail);<a name="line.74"></a>
<FONT color="green">075</FONT>        for (int i = 0; i &lt; 500; i++) {<a name="line.75"></a>
<FONT color="green">076</FONT>          String element1 = (String) cache1.lookup(key + i);<a name="line.76"></a>
<FONT color="green">077</FONT>          assertNotNull("Should have recevied an element. " + i, element1);<a name="line.77"></a>
<FONT color="green">078</FONT>          assertEquals("Element is wrong.", data + i, element1);<a name="line.78"></a>
<FONT color="green">079</FONT>        }<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>        // try to get the cache for the same host and e-mail, should get a cache instance<a name="line.81"></a>
<FONT color="green">082</FONT>        try {<a name="line.82"></a>
<FONT color="green">083</FONT>          UriCache cache2 = UriCacheManager.getCache(cacheHome, sensorBaseHost,<a name="line.83"></a>
<FONT color="green">084</FONT>              userEmail);<a name="line.84"></a>
<FONT color="green">085</FONT>          cache2.clear();<a name="line.85"></a>
<FONT color="green">086</FONT>          for (int i = 0; i &lt; 500; i++) {<a name="line.86"></a>
<FONT color="green">087</FONT>            cache2.cache(key + i, data + i);<a name="line.87"></a>
<FONT color="green">088</FONT>          }<a name="line.88"></a>
<FONT color="green">089</FONT>          cache2.shutdown();<a name="line.89"></a>
<FONT color="green">090</FONT>          Thread.yield();<a name="line.90"></a>
<FONT color="green">091</FONT>          Thread.sleep(1000);<a name="line.91"></a>
<FONT color="green">092</FONT>          Thread.yield();<a name="line.92"></a>
<FONT color="green">093</FONT>          cache2 = UriCacheManager.getCache(cacheHome, sensorBaseHost, userEmail);<a name="line.93"></a>
<FONT color="green">094</FONT>          for (int i = 0; i &lt; 500; i++) {<a name="line.94"></a>
<FONT color="green">095</FONT>            String element1 = (String) cache1.lookup(key + i);<a name="line.95"></a>
<FONT color="green">096</FONT>            assertNotNull("Should have recevied an element. " + i, element1);<a name="line.96"></a>
<FONT color="green">097</FONT>            assertEquals("Element is wrong.", data + i, element1);<a name="line.97"></a>
<FONT color="green">098</FONT>          }<a name="line.98"></a>
<FONT color="green">099</FONT>          cache2.shutdown();<a name="line.99"></a>
<FONT color="green">100</FONT>        }<a name="line.100"></a>
<FONT color="green">101</FONT>        catch (UriCacheException e) {<a name="line.101"></a>
<FONT color="green">102</FONT>          fail("Should get cache instance in here.");<a name="line.102"></a>
<FONT color="green">103</FONT>        }<a name="line.103"></a>
<FONT color="green">104</FONT>        cache1.shutdown();<a name="line.104"></a>
<FONT color="green">105</FONT>      }<a name="line.105"></a>
<FONT color="green">106</FONT>    <a name="line.106"></a>
<FONT color="green">107</FONT>      /**<a name="line.107"></a>
<FONT color="green">108</FONT>       * Now we are getting back the only instance of cache from the storage, creating four new<a name="line.108"></a>
<FONT color="green">109</FONT>       * instances, shutting down three of them and testing obtaining if the very last cache and<a name="line.109"></a>
<FONT color="green">110</FONT>       * cleanup.<a name="line.110"></a>
<FONT color="green">111</FONT>       * <a name="line.111"></a>
<FONT color="green">112</FONT>       * @throws UriCacheException in the case of error.<a name="line.112"></a>
<FONT color="green">113</FONT>       * @throws IOException if IO error occurs.<a name="line.113"></a>
<FONT color="green">114</FONT>       * @throws InterruptedException if unable to sleep in thread.<a name="line.114"></a>
<FONT color="green">115</FONT>       * <a name="line.115"></a>
<FONT color="green">116</FONT>       */<a name="line.116"></a>
<FONT color="green">117</FONT>      @Test<a name="line.117"></a>
<FONT color="green">118</FONT>      public void testSecondInstanceAndCleanUp() throws UriCacheException, IOException,<a name="line.118"></a>
<FONT color="green">119</FONT>          InterruptedException {<a name="line.119"></a>
<FONT color="green">120</FONT>    <a name="line.120"></a>
<FONT color="green">121</FONT>        // get cache #1 at test it's functionality<a name="line.121"></a>
<FONT color="green">122</FONT>        UriCache cache1 = UriCacheManager<a name="line.122"></a>
<FONT color="green">123</FONT>            .getCache(cacheHome, sensorBaseHost, userEmail);<a name="line.123"></a>
<FONT color="green">124</FONT>        for (int i = 0; i &lt; 500; i++) {<a name="line.124"></a>
<FONT color="green">125</FONT>          String element1 = (String) cache1.lookup(key + i);<a name="line.125"></a>
<FONT color="green">126</FONT>          assertNotNull("Should have recevied an element..." + i, element1);<a name="line.126"></a>
<FONT color="green">127</FONT>          assertEquals("Element is wrong...", data + i, element1);<a name="line.127"></a>
<FONT color="green">128</FONT>        }<a name="line.128"></a>
<FONT color="green">129</FONT>    <a name="line.129"></a>
<FONT color="green">130</FONT>        // getting another 4 instances for the same user and base<a name="line.130"></a>
<FONT color="green">131</FONT>        UriCache cache2 = UriCacheManager<a name="line.131"></a>
<FONT color="green">132</FONT>            .getCache(cacheHome, sensorBaseHost, userEmail);<a name="line.132"></a>
<FONT color="green">133</FONT>        for (int i = 500; i &lt; 1000; i++) {<a name="line.133"></a>
<FONT color="green">134</FONT>          cache2.cache(key + i, data + i);<a name="line.134"></a>
<FONT color="green">135</FONT>        }<a name="line.135"></a>
<FONT color="green">136</FONT>    <a name="line.136"></a>
<FONT color="green">137</FONT>        UriCache cache3 = UriCacheManager<a name="line.137"></a>
<FONT color="green">138</FONT>            .getCache(cacheHome, sensorBaseHost, userEmail);<a name="line.138"></a>
<FONT color="green">139</FONT>        for (int i = 1000; i &lt; 1500; i++) {<a name="line.139"></a>
<FONT color="green">140</FONT>          cache3.cache(key + i, data + i);<a name="line.140"></a>
<FONT color="green">141</FONT>        }<a name="line.141"></a>
<FONT color="green">142</FONT>    <a name="line.142"></a>
<FONT color="green">143</FONT>        UriCache cache4 = UriCacheManager<a name="line.143"></a>
<FONT color="green">144</FONT>            .getCache(cacheHome, sensorBaseHost, userEmail);<a name="line.144"></a>
<FONT color="green">145</FONT>        for (int i = 1500; i &lt; 2000; i++) {<a name="line.145"></a>
<FONT color="green">146</FONT>          cache4.cache(key + i, data + i);<a name="line.146"></a>
<FONT color="green">147</FONT>        }<a name="line.147"></a>
<FONT color="green">148</FONT>    <a name="line.148"></a>
<FONT color="green">149</FONT>        UriCache cache5 = UriCacheManager<a name="line.149"></a>
<FONT color="green">150</FONT>            .getCache(cacheHome, sensorBaseHost, userEmail);<a name="line.150"></a>
<FONT color="green">151</FONT>        for (int i = 2000; i &lt; 2500; i++) {<a name="line.151"></a>
<FONT color="green">152</FONT>          cache5.cache(key + i, data + i);<a name="line.152"></a>
<FONT color="green">153</FONT>        }<a name="line.153"></a>
<FONT color="green">154</FONT>    <a name="line.154"></a>
<FONT color="green">155</FONT>        // close cache 2,3 and 4<a name="line.155"></a>
<FONT color="green">156</FONT>        cache2.shutdown();<a name="line.156"></a>
<FONT color="green">157</FONT>        cache3.shutdown();<a name="line.157"></a>
<FONT color="green">158</FONT>        cache4.shutdown();<a name="line.158"></a>
<FONT color="green">159</FONT>    <a name="line.159"></a>
<FONT color="green">160</FONT>        // now try to get the cache - should get cache 4 and delete caches 2 and 3<a name="line.160"></a>
<FONT color="green">161</FONT>        try {<a name="line.161"></a>
<FONT color="green">162</FONT>          UriCache cache6 = UriCacheManager.getCache(cacheHome, sensorBaseHost,<a name="line.162"></a>
<FONT color="green">163</FONT>              userEmail);<a name="line.163"></a>
<FONT color="green">164</FONT>          for (int i = 1500; i &lt; 2000; i++) {<a name="line.164"></a>
<FONT color="green">165</FONT>            String element1 = (String) cache6.lookup(key + i);<a name="line.165"></a>
<FONT color="green">166</FONT>            assertNotNull("Should have recevied an element.." + i, element1);<a name="line.166"></a>
<FONT color="green">167</FONT>            assertEquals("Element is wrong..", data + i, element1);<a name="line.167"></a>
<FONT color="green">168</FONT>          }<a name="line.168"></a>
<FONT color="green">169</FONT>          cache6.shutdown();<a name="line.169"></a>
<FONT color="green">170</FONT>        }<a name="line.170"></a>
<FONT color="green">171</FONT>        catch (UriCacheException e) {<a name="line.171"></a>
<FONT color="green">172</FONT>          fail("Should get cache instance in here.");<a name="line.172"></a>
<FONT color="green">173</FONT>        }<a name="line.173"></a>
<FONT color="green">174</FONT>        cache1.shutdown();<a name="line.174"></a>
<FONT color="green">175</FONT>        cache5.shutdown();<a name="line.175"></a>
<FONT color="green">176</FONT>      }<a name="line.176"></a>
<FONT color="green">177</FONT>    <a name="line.177"></a>
<FONT color="green">178</FONT>      /**<a name="line.178"></a>
<FONT color="green">179</FONT>       * Tears down test environment and clears all leftovers.<a name="line.179"></a>
<FONT color="green">180</FONT>       * <a name="line.180"></a>
<FONT color="green">181</FONT>       * @throws Exception if error encountered.<a name="line.181"></a>
<FONT color="green">182</FONT>       */<a name="line.182"></a>
<FONT color="green">183</FONT>      @After<a name="line.183"></a>
<FONT color="green">184</FONT>      public void tearDown() throws Exception {<a name="line.184"></a>
<FONT color="green">185</FONT>        // remove all files<a name="line.185"></a>
<FONT color="green">186</FONT>        File dir = new File(cacheHome);<a name="line.186"></a>
<FONT color="green">187</FONT>        File[] files = dir.listFiles();<a name="line.187"></a>
<FONT color="green">188</FONT>        for (File f : files) {<a name="line.188"></a>
<FONT color="green">189</FONT>          f.delete();<a name="line.189"></a>
<FONT color="green">190</FONT>        }<a name="line.190"></a>
<FONT color="green">191</FONT>        // remove folder<a name="line.191"></a>
<FONT color="green">192</FONT>        dir.delete();<a name="line.192"></a>
<FONT color="green">193</FONT>      }<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>    }<a name="line.195"></a>




























































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